| (19) |
 |
|
(11) |
EP 1 428 904 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
18.08.2004 Bulletin 2004/34 |
| (43) |
Date of publication A2: |
|
16.06.2004 Bulletin 2004/25 |
| (22) |
Date of filing: 20.11.2003 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
Designated Extension States: |
|
AL LT LV MK |
| (30) |
Priority: |
20.11.2002 JP 2002336769
09.12.2002 JP 2002356171
28.03.2003 JP 2003089797
|
| (71) |
Applicant: SHIN-ETSU CHEMICAL CO., LTD. |
|
Chiyoda-ku, Tokyo (JP) |
|
| (72) |
Inventors: |
|
- Hamaya, Noriaki c/o Takefu Plant
Takefu-shi Fukui-ken (JP)
- Konya, Masaru c/o Takefu Plant
Takefu-shi Fukui-ken (JP)
- Yamamoto, Noboru c/o Takefu Plant
Takefu-shi Fukui-ken (JP)
|
| (74) |
Representative: Stoner, Gerard Patrick et al |
|
Mewburn Ellis LLP York House 23 Kingsway
London WC2B 6HP
London WC2B 6HP (GB) |
|
| |
|
| (54) |
Heat resistant coated members, and methods for making and using them |
(57) A coated member comprising a substrate of Mo, Ta, W, Zr or carbon and a coating of
rare earth-containing oxide including a surface layer having a Vickers hardness of
at least 50; or a coated member comprising a substrate having a coefficient of linear
expansion of at least 4×10
-6 (1/K) and a coating of rare earth-containing oxide thereon is heat resistant and
useful as a jig for use in the sintering of powder metallurgical metal, cermet and
ceramic materials.